Structural, electrical and magnetic studies of Co:SnO2 and (Co,Mo):SnO2 films prepared by pulsed laser deposition

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Here we report on the structural, optical, electrical and magnetic properties of Co-doped and (Co,Mo)-codoped SnO2 thin films deposited on r-cut sapphire substrates by pulsed laser deposition. Substratetemperature during deposition was kept at 500ºC. X-ray diffraction analysis showed that the undopedand doped films are crystalline with predominant orientation along the [1 0 1] direction regardless ofthe doping concentration and doping element. Optical studies revealed that the presence of Mo revertsthe blue shift trend observed for the Co-doped films. For the Co and Mo doping concentrations studied,the incorporation of Mo did not contribute to increase the conductivity of the films or to enhance theferromagnetic order of the Co-doped films.
Original languageUnknown
Pages (from-to)127-131
JournalApplied Surface Science
Issue numberNA
Publication statusPublished - 1 Jan 2013

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